Duct sealant strategy Duct sealants cure by evaporating water. When the humidity inside covered ducts reaches its saturation point, the curing process stops. Tightly sealed ends can create conditions ...

Smoke pens offer HVAC technicians and remodelers a simple and affordable option for finding leaks in ductwork. The Lone Landlord on Youtube buys homes and renovates them for his tenets, often scooping ...